Merge branch 'gdb' into 'redox'

Fix compilation of GDB for Redox

See merge request !3

configure

@@ -3884,7 +3884,7 @@ case "${target}" in
     noconfigdirs="$noconfigdirs ld"
     ;;
   *-*-redox)
-    noconfigdirs="$noconfigdirs readline gdb"
+    noconfigdirs="$noconfigdirs"
     ;;
 esac
 

gdb/configure.tgt

@@ -732,6 +732,11 @@ x86_64-*-openbsd*)
 x86_64-*-rtems*)
 	gdb_target_obs="${amd64_tobjs} ${i386_tobjs} i386-bsd-tdep.o"
 	;;
+x86_64-*-redox*)
+	# Target: Redox x86-64
+	gdb_target_obs="${amd64_tobjs}"
+	build_gdbserver=no
+	;;
 xtensa*-*-linux*)
 	# Target: GNU/Linux Xtensa
 	gdb_target_obs="xtensa-linux-tdep.o symfile-mem.o linux-tdep.o"

gdb/dwarf-index-write.c

@@ -705,7 +705,7 @@ public:
     gdb_assert (m_abbrev_table.empty ());
     const size_t name_count = m_name_to_value_set.size ();
     m_bucket_table.resize
-      (std::pow (2, std::ceil (std::log2 (name_count * 4 / 3))));
+      (std::pow (2, std::ceil (log2 (name_count * 4 / 3))));
     m_hash_table.reserve (name_count);
     m_name_table_string_offs.reserve (name_count);
     m_name_table_entry_offs.reserve (name_count);